﻿/*
 * Copyright (c) 2006 Ryan Martell. (rdm4@martellventures.com)
 *
 * This file is part of FFmpeg.
 *
 * FFmpeg is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * FFmpeg is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with FFmpeg; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

#define FF_ARRAY_ELEMS(a) (sizeof(a) / sizeof((a)[0]))
#ifndef AVUTIL_BASE64_H
#define AVUTIL_BASE64_H

#include <cstdint>
#include <string>
#include "OpencvPublic.h"

namespace util {
    /**
     * Calculate the output size needed to base64-encode x bytes.
     */
    #define AV_BASE64_SIZE(x)  (((x)+2) / 3 * 4 + 1)


    /**
     * 编码base64
     * @param txt 明文
     * @return 密文
     */
    std::string encodeBase64(const std::string &txt);

    /**
     * 解码base64
     * @param txt 密文
     * @return 明文
     */
    std::string decodeBase64(const std::string &txt);

    //照片转buffter
    std::string mat_to_buffer(cv::Mat& img);
}
#endif /* AVUTIL_BASE64_H */
